Communication system method and apparatus

Details Communication system method and apparatus Communication system method and apparatus

2005-12-13

2005-12-13

Duong, Frank (Department: 2666)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S335000, C370S342000, C375S302000, C714S702000

Reexamination Certificate

active

06975584

ABSTRACT:
A method and apparatus is provided for efficient processing of signal in a communication system. The processing of the signal for transmission may include encoding a block of data at an encoding rate 1/R. The encoding produces R number of data symbols for every data bit in the block of data. A block of RAM (299, 600) is partitioned into a plurality of blocks of RAM to allow reading simultaneously data symbols from the plurality of blocks of RAM to produce an in-phase and a quad-phase data symbols simultaneously. At least two scramblers (306and307) are used for simultaneously scrambling the in-phase and quad-phase data symbols. A Walsh covering/summing block (700) followed by the scramblers provides efficient Walsh covering and summing of signals for a combined transmission from the communication system.

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Shyue-Kung et al., “Design and Evaluation of Fault-Tolerant Interleaved Memory Systems”,IEEE Comput. Sci., pp 354-359, Nov. 1994.

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